diff --git a/Doc/lib/libprofile.tex b/Doc/lib/libprofile.tex
index 794f7d0..2e88c25 100644
--- a/Doc/lib/libprofile.tex
+++ b/Doc/lib/libprofile.tex
@@ -616,7 +616,7 @@
 You can also achieve the same results using a derived class (and the
 profiler will actually run equally fast!!), but the above method is
 the simplest to use.  I could have made the profiler ``self
-calibrating'', but it would have made the initialization of the
+calibrating,'' but it would have made the initialization of the
 profiler class slower, and would have required some \emph{very} fancy
 coding, or else the use of a variable where the constant \samp{.00053}
 was placed in the code shown.  This is a \strong{VERY} critical